IMO I have two thoughts on which ones I think is over rated(be nice to the Festool people)On the auction site it amazes me how much people will bid on the older Delta Tenoning Jig which goes in the upper 250 plus,I just don't see the romance in that tool other than collectible.Me being a PM fan and having a PM100,I just don't see the blade grinders that attach to the top of the planer,either the 12",16",18" or whatever.They look nice and I'm sure they work but DANG for a complete setup your talking close to 500 bills.So for me,1)Delta Tenon Jig,2) PM Blade Gringer,I just shake my head looking at the bids on these items.What are ya'll thoughts on over rated tools or machines----Carroll